EP3116752A1 - Dispositif pour alimenter un véhicule automobile en énergie électrique - Google Patents

Dispositif pour alimenter un véhicule automobile en énergie électrique

Info

Publication number
EP3116752A1
EP3116752A1 EP15706754.7A EP15706754A EP3116752A1 EP 3116752 A1 EP3116752 A1 EP 3116752A1 EP 15706754 A EP15706754 A EP 15706754A EP 3116752 A1 EP3116752 A1 EP 3116752A1
Authority
EP
European Patent Office
Prior art keywords
battery
partial
energy
voltage
partial energy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP15706754.7A
Other languages
German (de)
English (en)
Inventor
Wolfgang Mueller
Guenter Reitemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3116752A1 publication Critical patent/EP3116752A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1423—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/06—Two-wire systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/08—Three-wire systems; Systems having more than three wires
    • H02J1/082—Plural DC voltage, e.g. DC supply voltage with at least two different DC voltage levels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/46—The network being an on-board power network, i.e. within a vehicle for ICE-powered road vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the invention relates to an arrangement and a method for supplying a motor vehicle with electrical energy.
  • An electrical system of a motor vehicle can be subdivided into a plurality of sub-electrical systems, for which different electrical voltages are provided. If a motor vehicle includes an electric motor, this is connected to a sub-board network, which is operated with a high voltage electric voltage, whereas another sub-board network, which is operated with a low voltage electric power, to supply small
  • the document DE 197 55 050 C2 describes a device for
  • Power supply in a multi-voltage vehicle electrical system for at least two electrically actuated vehicle brakes, which are connected to at least two voltage generators charged by a generator via a decoupling element, wherein one of the electrically actuated vehicle brakes to the generator and / or directly connected to the generator
  • Voltage storage is connected and the other electrically actuated vehicle brake with the other voltage storage is in communication, which is connected via a voltage converter to the generator, the voltages of the two voltage storage are different.
  • the arrangement comprises at least one reserve battery, the one
  • Partial energy distribution network has.
  • the sub-electrical systems may have different voltages in the embodiment.
  • the energy on-board network is designed as a so-called two-voltage on-board network. It is in an alternative
  • the at least one reserve battery is embodied as a long-term energy storage, which is switched off and thus passive during normal operation of the energy on-board network, if values of operating parameters of the energy system change by more than tolerance values provided by intended threshold values.
  • the at least one reserve battery is activated in case of failure of a power supply for the at least one partial power supply. This measure opens up the possibility for a limited time to transfer the motor vehicle to a safe operating state.
  • each of these partial electric systems usually has each of the partial electric power systems on a high voltage side as well as on a low-voltage side in each case at least one energy accumulator, which is usually designed as a battery, for stabilizing the respective sub-electrical system. If there is no energy supply to be provided, a battery for one of the partial energy networks may in an unfavorable case be in a state of charge that is insufficient to supply the safety-relevant consumers of the partial energy grid until the
  • the at least one otherwise passive backup battery can be activated.
  • These at least one reserve battery as electrical energy storage has a very low self-discharge, requires little space and is also inexpensive.
  • the at least one reserve battery is a metal-air battery, for. As Zn-air, Mg-air, etc. formed. Such a metal-air battery can be stored for a very long time in the sealed state.
  • Process is designed as a metal-air battery backup battery, if necessary, by supplying oxygen, usually by supplying air containing oxygen, activated.
  • Starting materials for producing such a metal-air battery are inexpensive.
  • Small-building metal-air batteries are z. B. used in hearing aids and are easy to recycle after use.
  • the initially passive reserve battery is activated by supplying air.
  • the defective mains battery can be disconnected from the power cord.
  • the power cord network is buffered using the backup battery.
  • At least one reserve battery is to be arranged in at least one partial energy grid.
  • a reserve battery can be arranged in each partial power supply system, for example in a high voltage partial energy onboard network or a low voltage partial energy supply system, a voltage of the respective reserve battery corresponding to a voltage of the respective partial energy supply system. In this case, the high voltage
  • an electronic coupling module between two partial power supply systems is a split electric machine that can be operated as a split generator or as a split or split electric motor.
  • a first output or a first partial electric machine of the divided electric machine if it is operated, for example, as a first part-generator or partial electric motor, arranged in a first partial energy grid, whereas a second partial electric machine or a second output of divided electric machine, if this example.
  • a second part-generator or second part electric motor is arranged in a second partial energy grid, the two
  • Partial energy networks are connected to each other via the shared electric machine.
  • this high-voltage part-energy grid a high
  • this low voltage parts of the power grid is to provide a low voltage.
  • the first part electric machine has a first winding with a first number of turns and the second part electric machine has a second winding with a second number of turns. If the divided electric machine is operated as a divided generator, of each sub-generator whose winding has a higher number of turns, a higher voltage than provided by the other sub-generator whose winding has a smaller number of turns.
  • High-voltage parts of the energy grid or a high-voltage side of the power system or only in the low-voltage parts of the power grid or a low-voltage side of the power system can be arranged a back-up battery.
  • a reserve battery can also be arranged in two partial energy mains, which are connected by a divided electric machine as the coupling module.
  • the arrangement as well as the method can be used for motor vehicles with two different partial energy mains, which have electrical voltages with different values. This concerns u. a. one
  • Motor vehicle having an electric motor for driving and as
  • Electric vehicle or hybrid vehicle is formed.
  • the intended for driving the motor vehicle electric machine which in this case, the intended for driving the motor vehicle electric machine, which in
  • Embodiment may also be designed as a partial electric machine, connected to the high-voltage parts power supply and through this, if the electric machine is operated in an operating situation of the motor vehicle as an electric motor to supply with electrical energy.
  • the power onboard network has different voltage levels, can u with the at least one planned backup battery. a. also safety-relevant electrical loads are supplied with electrical energy.
  • Figure 1 shows a schematic representation of a first example of a
  • Figure 2 shows a schematic representation of a second example of a
  • FIG. 3 shows a schematic representation of a third example of a
  • FIG. 4 shows a schematic representation of a fourth example of a
  • An energy rail network for a motor vehicle with a fourth embodiment of an inventive arrangement for carrying out a fourth embodiment of a method according to the invention is provided.
  • FIG. 5 shows a schematic representation of a fifth example of a
  • FIG. 6 shows a schematic representation of a sixth example of a
  • inventive arrangement 2, 4, 6, 8, 10, 12 and in the presented examples of the power cord 14, 16, 18, 20, 22, 24 are identical, are in the figures 1, 2, 3, 4, 5 and 6 for a schematic representation of the embodiments of the arrangement 2, 4, 6, 8, 10, 12 according to the invention and the examples of the power supply system 14, 16, 18, 20, 22, 24 the same
  • the first example of the energy on-board network 14 shown in FIG. 1 comprises a first partial energy on-board network 26 with a main line 27 and a second one
  • the DC-DC converter 30 are connected together as an electronic coupling module.
  • the first partial energy supply system 26 has a first, in this case high electrical voltage of 48 V and the second partial energy supply system 28 has a second voltage compared to the first partial energy supply system 28, here low voltage of 14 V.
  • the first partial energy supply system 26 comprises a plurality of components connected in parallel with one another and connected to the main line 27, namely an electric machine 32 which, depending on the operating state of the
  • Motor vehicle can be operated as a generator or electric motor, a starter 34 for starting the motor vehicle, designed as a high-voltage battery (BHV) battery 36 which provides electrical energy with the high voltage and is connected via a switch to the main line 27, a first consumer 38th , which causes an electrical resistance R3a and is also connected via a switch to the main line 27, and a second load 40, which causes an electrical resistance R2a.
  • a plurality of components are also connected in parallel with each other and connected to the main line 29.
  • the components are a low-voltage battery (BNV) -designed battery 42, which provides low-voltage electrical power and is connected via a switch to the main line 29, a third load 44, which causes an electrical resistance R2b, and a fourth load 46, which causes an electrical resistance R3b and is connected via a switch to the main line 29.
  • BNV low-voltage battery
  • first embodiment of the inventive arrangement 2 comprises a first backup battery 48th
  • first reserve battery 48 Associated with partial energy grid 26 and / or disposed in the first partial energy grid 26, wherein the first reserve battery 48 connected to the main line 27 and parallel to the other components of the first
  • Embodiment of the arrangement 2 a control device 3 for controlling the first embodiment of the method.
  • the first backup battery 48 is turned off in normal operation when both batteries 36, 42 are functioning. If, however, at least one of the two batteries 36, 42 fails and thus an emergency occurs, the at least one failed battery 36, 42 separated by the control unit 3 from the power cord 14 and replace the backup battery 48 is turned on.
  • the first backup battery 48 is to provide the first, high voltage, and therefore, the first backup battery 48 is also formed as a high-voltage back-up battery. In this case, electrical energy, which is provided here by the first backup battery 48, of the
  • DC-DC converter 30 are transmitted as an electronic coupling module in the second Partergyportordnetz 28, wherein a value of the voltage of the electrical energy to be transmitted is reduced.
  • the second energy on-board network 16 which is shown schematically in FIG. 2, comprises a first partial energy grid 50 which is operated with the first, high voltage of 48 V here and the same components as that of FIG Figure 1 presented, first partial energy supply system 26 has.
  • a second partial energy grid 50 which is operated with the first, high voltage of 48 V here and the same components as that of FIG Figure 1 presented, first partial energy supply system 26 has.
  • the partial energy onboard network 52 of the second energy onboard network 16 includes the same components as the second partial energy onboard network 28 of the first
  • Both partial energy networks 50, 52 are connected to one another by a DC voltage converter 30 as an electronic coupling module, via which electrical energy is to be exchanged between the two partial energy grids 50, 52.
  • the DC-DC converter 30 is designed, depending on the direction in which the electrical energy is to be transmitted between the two partial energy grids 50, 52, the low electrical voltage to the high voltage or the high electrical
  • the second embodiment of the arrangement 4 comprises a control device 3 for controlling the second embodiment of the method and a second backup battery 54 (BRNV), which here designed as a metal-air battery and the second partial energy grid 52 assigned and / or in the second partial energy grid 52nd is arranged.
  • BRNV second backup battery 54
  • the second backup battery 54 is turned off in normal operation when both batteries 36, 42 are functioning. However, if at least one of the two batteries 36, 42 fails and thus an emergency occurs, the at least one failed battery 36, 42 separated by the control unit 3 from the power cord 14 and the second backup battery 54 is turned on.
  • the second, low voltage is provided by the second backup battery 54, and therefore, the second backup battery 54 is also formed as a low-voltage back-up battery.
  • electrical energy which is provided here by the second backup battery 54, can be transmitted from the DC voltage converter 30 from the second partial energy grid 52 into the first partial energy grid 50, wherein a value of the voltage of the electrical energy to be transmitted is increased by the DC-DC converter.
  • the third example of the energy gate system 18 shown schematically in FIG. 3 has a first, high-voltage partial energy supply network
  • the third embodiment of the arrangement 6 shown in FIG. 3 is a combination of the two embodiments of the arrangement 2, 4 described above with reference to FIGS. 1 and 2.
  • the third embodiment of the invention is a combination of the two embodiments of the arrangement 2, 4 described above with reference to FIGS. 1 and 2.
  • Arrangement 6 includes a first backup battery 48 (BRHV), here formed as a metal-air battery and associated with the first partial energy grid 56 and / or disposed in the first partial energy grid 56, and a second backup battery 54 (BRNV), herein referred to as metal Air battery formed and assigned to the second partial energy grid 58 and / or in the second
  • BSHV first backup battery 48
  • BRNV second backup battery 54
  • Partial energy grid 58 is arranged. To check the third
  • Batteries 36, 42 fails, this is replaced by those reserve battery 48, 54, the same Operaergy power supply 56, 58 as the failed battery 36, 42 is assigned. Alternatively, it is also possible to activate both backup batteries 48, 54 in the event of a failure of only one battery 36, 42.
  • the fourth example of the energy on-board network 20 shown in FIG. 4 comprises a first partial energy onboard network 60 with a main line 27 and a second partial energy onboard network 62 with a main line 29, the main lines 27, 29 and thus the two partial energy networks 60, 62 here via a DC converter 30 via a shared electric machine, here are connected to each other via a shared generator 64 as an electronic coupling module.
  • This divided generator 64 comprises two separate windings, wherein a first winding has a first number of turns and is connected via a first output 66 to the first partial energy grid 60. In contrast, a second winding has a second number of turns and is connected via a second output 68 to the second partial energy grid 68.
  • the two different windings can either be connected to a common rotor which moves relative to a stator during operation of the divided generator 64 or to a common stator to which the divided generator operates 64 a common rotor relatively moved, be arranged.
  • electrical energy from the first partial energy grid 60 which has an electrical voltage with a first high value
  • Partial energy grid 62 transferred and transformed to a voltage with a low value. Conversely, it is also possible that from the second partial energy grid 62 via the split generator 64 to the first
  • Partial electrical system 60 is transmitted electrical energy, wherein the electrical energy to be transmitted in the second partial energy grid 62 has a voltage with a low value. When the electric power is transmitted through the divided generator 64, its voltage is increased to the first value.
  • the first partial energy supply system 60 has an electrical voltage with the first high value of 48 V in this case and the second one
  • Partial energy supply 62 has a voltage with a second, here low value of 14 V, compared to the first partial energy supply 62.
  • the first winding of the divided generator 64 has a larger number of turns than the second winding of the divided generator 64.
  • the first partial energy grid 60 comprises a plurality of components connected in parallel with one another and connected to the main line 27, namely a starter 34 for starting the motor vehicle, one as
  • High-voltage battery (BHV) formed battery 36, which provides high-voltage electrical energy and is connected via a switch to the main line 27, a first load 70, the electrical
  • Resistor R2 caused and is also connected via a switch to the main line 27, and the first output 66 of the split generator 64th
  • a plurality of components are likewise connected in parallel to one another and connected to the main line 29.
  • the components besides the second output 68 of the split generator 64, are a low voltage battery (BNV) type battery 42 which provides low voltage electrical energy and is connected via a switch to the main line 29 and a second load 72, which causes an electrical resistance R3.
  • BNV low voltage battery
  • the fourth embodiment of the arrangement 8 according to the invention schematically illustrated with reference to FIG. 4 comprises a first reserve battery 48 (BRHV), which is designed here as a metal-air battery and the first
  • first reserve battery 48 Associated with partial energy grid 60 and / or arranged in the first partial energy grid 60, wherein the first reserve battery 48 connected to the main line 27 and parallel to the other components of the first
  • This first backup battery 48 is off in normal operation when both batteries 36, 42 are functioning. However, if at least one of the two batteries 36, 42 fails and thus an emergency occurs, the at least one failed battery 36, 42 separated by the control unit 3 from the power onboard 20 and replaced the first backup battery 48.
  • the first backup battery 48 is to provide the first, high voltage, and therefore, the first backup battery 48 is also formed as a high-voltage back-up battery. In this case, electrical energy, which is provided here by the first backup battery 48, from the shared generator 64 as an electronic coupling module in the second
  • the fifth energy board network 22 which is shown schematically in FIG. 5, comprises a first partial energy grid 74, which is operated at the first, high voltage of 48 V here and has the same components as the first partial energy grid 60 presented with reference to FIG. A second
  • Partial energy grid 76 of the fifth energy board network 22 includes the same components as the second partial energy grid 62 of the fourth
  • Outputs 66, 68 connected to each other.
  • About the shared generator 64 is between the two partial energy systems 74, 76 to exchange electrical energy.
  • the divided generator 64 is designed, depending on the direction in which the electrical energy between the two
  • the fifth embodiment of the arrangement 10 comprises a control device s for controlling the fifth embodiment of the method as well as a second backup battery 54 (BRNV), here designed as a metal-air battery and assigned to the second partial energy grid 76 and / or in the second partial energy grid 76 is arranged.
  • BRNV second backup battery 54
  • the second backup battery 54 is turned off in a normal operation when both batteries 36, 42 are functioning. However, if at least one of the two batteries 36, 42 fails and thus an emergency occurs, the at least one failed battery 36, 42 separated by the control unit 3 from the power onboard 22 and the second backup battery 54 is turned on.
  • the second, low voltage is provided by the second backup battery 54, and therefore, the second backup battery 54 is also formed as a low-voltage back-up battery.
  • electrical energy provided here from the first backup battery 48 may be transmitted via the shared generator 64 from the second partial energy grid 76 to the sixth partial energy grid 74, wherein a value of the voltage of the electrical energy to be transmitted is increased by the generator 64.
  • the sixth example of the power cord network 24 shown schematically in FIG. 6 has a first partial energy grid 78 designed as a high-voltage partial energy grid and a second partial energy grid 80 designed as a low-voltage partial energy grid, both partial energy networks 78, 80 being divided by a divided generator 64 as an electronic coupling module are connected. Otherwise, the first partial energy supply system 78 has the same components as each of the two partial energy distribution systems 60, 74 described with reference to FIGS. 4 and 5.
  • Energybordnetzes 24 has the same components as each one of the second partial energy distribution system 62, 76 described with reference to FIGS. 4 and 5.
  • the sixth embodiment of the arrangement 12 shown in FIG. 6 is a combination of the fourth embodiment of the arrangement 8 presented on the basis of FIG. 4 and the fifth embodiment presented on the basis of FIG.
  • Arrangement 12 comprises a first reserve battery 48 (BRHV), which is designed here as a metal-air battery and assigned to the first partial energy supply net 78 and / or arranged in the first partial energy supply net 78, and a second one Reserve battery 54 (BRNV), which is designed here as a metal-air battery and the second partial energy supply 80 associated and / or in the second
  • BSHV first reserve battery 48
  • BRNV second one Reserve battery 54
  • Partial energy grid 80 is arranged.
  • Embodiment of the method, the sixth embodiment of the arrangement 12 is still a control device 3.
  • both batteries 36, 42 of both partial energy distribution 78, 80 are functional, which is why the two
  • Partial power cord 80 fails, the at least one battery 36, 42 separated by the control unit 3 from the respective partial energy grid 78, 80 and the control unit 3, the reserve battery 48, 54 from that
  • At least one component of an example presented in each case for the energy on-board network 14, 16, 18, 20, 22, 24 can also be used as a component of the respectively presented embodiment of the arrangement 2 according to the invention,
  • Motor vehicle with electrical energy is an electric power onboard 14, 16, 18, 20, 22, 24, the two partial energy distribution network 26, 28, 50, 52, 56, 58, 60, 62, 74, 76, 78, 80, associated.
  • Each partial energy supply system 26, 28, 50, 52, 56, 58, 60, 62, 74, 76, 78, 80 has a battery 36, 42 which is designed to supply an electrical voltage with one for the respective one
  • Partial power supply network to provide specific, set or intended value.
  • the two partial energy networks 26, 28, 50, 52, 56, 58, 60, 62, 74, 76, 78, 80 are connected via an electrical coupling element, i. H. one
  • the arrangement 2, 4, 6, 8, 10, 12 comprises at least one metal-air battery as reserve battery 48, 54, the at least one of
  • the at least one reserve battery 48, 54 may be arranged in the first and / or in the second partial energy grid 28, 52, 58, 62, 76, 80.
  • Each arrangement 2, 4, 6, 8, 9, 10, 12 comprises at least one control device 3 for controlling an operation of the arrangement 2, 4, 6, 8, 9, 10, 12 as well as the respective energy on-board network 14, 16, 18, 20 , 22, 24.
  • an energy gate network 14, 16, 18, 20, 22, 24 each partial power supply network 26, 28, 50, 52, 56, 58, 60, 62, 74, 76, 78, 80 with electrical Power supplied by the battery 36, 42 of this partial energy grid 26, 28, 50, 52, 56, 58, 60, 62, 74, 76, 78, 80 is supplied, the at least one reserve battery 48, 54 being deactivated and /or is.
  • the at least one battery 36, 42 of one of the two partial energy supply lines 26, 28, 50, 52, 56, 58, 60, 62, 74, 76, 78, 80 fails, this battery 36, 42 is disconnected from the power supply system 14, 16, 18, 20, 22, 24 separated and the at least one reserve battery 48, 54, usually activated by the supply of oxygen.

Abstract

L'invention concerne un dispositif (2) destiné à alimenter un véhicule automobile en énergie électrique, le véhicule automobile étant équipé d'une réseau de bord (14) comportant deux sections de réseau de bord (26, 28), chaque section de réseau de bord (26, 28) comportant une batterie (36, 42) qui est adaptée pour produire une tension électrique ayant une valeur spécifique à la section de réseau de bord (26, 28) respective, les deux sections de réseau de bord (26, 28) étant reliées entre elles par un élément de couplage électrique, le dispositif (2) comportant au moins une batterie métal-air comme batterie de secours (48, 54) qui est associée à l'une au moins des sections de réseau de bord (26, 28) et qui est adaptée pour fournir en plus, en cas de panne de l'une au moins des batteries (36, 42), une tension électrique ayant une valeur spécifique à l'au moins une section de réseau de bord (26, 28).
EP15706754.7A 2014-03-13 2015-02-19 Dispositif pour alimenter un véhicule automobile en énergie électrique Withdrawn EP3116752A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014204662.9A DE102014204662A1 (de) 2014-03-13 2014-03-13 Anordnung zum Versorgen eines Kraftfahrzeugs mit elektrischer Energie
PCT/EP2015/053503 WO2015135729A1 (fr) 2014-03-13 2015-02-19 Dispositif pour alimenter un véhicule automobile en énergie électrique

Publications (1)

Publication Number Publication Date
EP3116752A1 true EP3116752A1 (fr) 2017-01-18

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EP15706754.7A Withdrawn EP3116752A1 (fr) 2014-03-13 2015-02-19 Dispositif pour alimenter un véhicule automobile en énergie électrique

Country Status (3)

Country Link
EP (1) EP3116752A1 (fr)
DE (1) DE102014204662A1 (fr)
WO (1) WO2015135729A1 (fr)

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DE102016218567A1 (de) 2016-09-27 2018-03-29 Robert Bosch Gmbh Verfahren zum Betreiben eines Energiebordnetzes
DE102016218555A1 (de) 2016-09-27 2018-03-29 Robert Bosch Gmbh Verfahren zum Betreiben eines Energiebordnetzes
DE102016221249A1 (de) 2016-10-28 2018-05-03 Robert Bosch Gmbh Verfahren zum Betreiben eines Bordnetzes
DE102016222676A1 (de) * 2016-11-17 2018-05-17 Mahle International Gmbh Elektrischer Energiespeicher für ein Kraftfahrzeug
DE102018201119A1 (de) 2018-01-24 2019-07-25 Robert Bosch Gmbh Verfahren zum Überwachen der Energieversorgung eines Kraftfahrzeugs mit automatisierter Fahrfunktion
DE102018204622A1 (de) 2018-03-27 2019-10-02 Robert Bosch Gmbh Verfahren zum Überwachen eines Kraftfahrzeugs mit automatisierten Fahrfunktionen
FR3080073B1 (fr) * 2018-04-12 2020-12-18 Psa Automobiles Sa Dispositif d’alimentation electrique auxiliaire pour vehicule
DE102018212353A1 (de) * 2018-07-25 2020-01-30 Robert Bosch Gmbh Vorrichtung zur Energieversorgung, insbesondere eines Kraftfahrzeugs mit automatisierter Fahrfunktion
DE102018212369A1 (de) 2018-07-25 2020-01-30 Robert Bosch Gmbh Verfahren zur Überwachung einer Energieversorgung in einem Kraftfahrzeug
DE102018212345A1 (de) 2018-07-25 2020-01-30 Robert Bosch Gmbh Verfahren zum Abgleich einer Messeinrichtung in einem Kraftfahrzeug
DE102018212372A1 (de) * 2018-07-25 2020-01-30 Robert Bosch Gmbh Verfahren zur Plausibilisierung einer Messgröße eines Sensors in einem Kraftfahrzeug
DE102018212777A1 (de) * 2018-07-31 2020-02-06 Robert Bosch Gmbh Verfahren zum Überwachen eines Bordnetzes eines Kraftfahrzeugs
DE102020210866A1 (de) 2020-08-28 2022-03-03 Robert Bosch Gesellschaft mit beschränkter Haftung Vorrichtung zur Erfassung und Verarbeitung einer Messgröße eines Sensors in einem Kraftfahrzeug

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